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Finding the Fourth Proportional to 444,015.61, 612,732.40 and 242,811.61

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Solution

The fourth proportional to 444,015.61, 612,732.40 and 242,811.61 is: 335,075.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,015.61 : 612,732.40 = 242,811.61 : x
  2. Step 2: Convert to fraction form
    444,015.61/612,732.40 = 242,811.61/x
  3. Step 3: Cross multiply
    444,015.61x = 612,732.40 × 242,811.61
  4. Step 4: Simplify right side
    444,015.61x = 148,778,540,543.16
  5. Step 5: Solve for x
    x = 148,778,540,543.16/444,015.61
  6. Step 6: Final answer
    x = 335,075.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.